A new (C2H5NH3)2ZnCl 4 crystal with a pure Pnma-P212121 ferroelastic phase transition

1. Tello, M.J.
2. Lopez-Echarri, A.
3. Zubillaga, J.
4. Ruiz-Larrea, I.
5. Zuniga, F.J.
6. Madariaga, G.
7. Gomez-Cuevas, A.